protesters to san francisco today. abc7's tomas ramon shows us the dueling rally. >> reporter: the ninth annual walk for life was a hiewmg success, according to organizers, measure 40,000 people filled the plaza on the 40th anniversary of row versus wade. jennifer o'neill spoke about her regrets of having an abortion. >> we cannot be luke warm in such a time as this, more than ever, we need to stand up and be heard. >> reporter: she says she is a member of silent no more. pope benedict subject his ambassador to personally send his message, regarding row versus wade. >> nobody has right to kill another human being. in any moment of his life. >> reporter: at 1:30, the group marched from civic center, down market street. the crowd was so large, it took the better part of an hour to clear the plaza. earlier in the day, a pro-choice rally commemorating was in herman justice plaz amount of it's our body, we should be able to make that decision. >> reporter: more than 300 people listened to speakers and music. sandra fluke, called a slut by rush limbaugh when she addressed congress about contra